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181-190 of 257
periodical press (Magazines)
GAVRILOVA N. N.
Gavrilova, N. N. Selection of a nutrient medium for growing bacteria which are part of an environmentally friendly veterinary probiotic preparation [Text] / N. N. Gavrilova, Zh. E. Sagidoldina , A. K. Sadanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 29-34. - Bibliogr.: p. 34 ISSN 2224-5308.
UDC:
579
Subject headings
- Микробиология
Annotation
The aim of the study was to select the optimal nutrient medium for growing bacteria that are part of the probiotic
Keywords
probiotic bacteria, growth media , antimicrobial activity, viable cells'titer, пробиотикалық бактериялар, ветеринарлық препарат, пробиотические бактерии, ветеринарный препарат
Kazakhstan
0/0 Free
periodical press (Magazines)
ALIYEV F. R.
Aliyev, F. R. Synthesis and study of a new mixed-layered compound GeBi3 Te4 belonging to the nBi2–mGeBi2 Te4 homologous series [Text] / F. R. Aliyev, E. N. Orujlu , D. M. Babanly // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 92-98. - Bibliogr.: p. 96-97 ISSN 2518-718Х.
UDC:
546.2
Subject headings
- Nonmetals of groups III, IV, VI and elements of group zero
Annotation
In light of the structural properties of tetradymite-like layered chalcogenide compounds, the mixed-layered compound GeBi3Te4 was predicted and synthesized for the first time, which belongs to the nBi2–mGeBi2Te4 homologous series in the Ge-Te-Bi system
Keywords
Ge-Bi-Te ternary system, nBi2–mGeBi2Te4 homologous series, GeBi3 Te4 , GeBi4 Te4, tetradymitelike structure, topological insulators
Kazakhstan
0/0 Free
periodical press (Magazines)
NURMAGANBETOV ZH. S.
Nurmaganbetov, Zh. S. Synthesis and Structure of 4-Substituted (1S,9aR)-1-[(1,2,3-triazol-1-yl)methyl]octahydro-1H-quinolysines of Lupinine [Text] / Zh. S. Nurmaganbetov, S. D. Fazylov , K. M. Turdybekov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 12-22. - Bibliogr.: p. 20-21 ISSN 2518-718Х.
UDC:
547.94
Subject headings
- Natural alkaloids
Annotation
The article presents results on the synthesis and investigation of the structural features of a number of 1,4-disubstituted 1H-1,2,3-triazole derivatives of the alkaloid lupinine
Keywords
quinolysine alkaloids, lupinine, triazoles, terminal alkynes, 1,3- dipolar cycloaddition reaction, X-ray structural analysis, azides, methanesulfonyl chloride
Kazakhstan
0/0 Free
periodical press (Magazines)
ZAYADAN B. K.
Zayadan, B. K. Study of promising heterocystic cyanobacterial strains for biohydrogen production [Text] / B. K. Zayadan, B. D. Kossalbayev Tatsuya Tomo [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 41-48. - Bibliogr.: p. 48 ISSN 2224-5308.
UDC:
663.18
Subject headings
- Industrial microbiology (bacteriology). Various methods of using microorganisms
Annotation
The article presents the results o f the 3 collection strains of cyanobacteria and their capabilities in the evolution of hydrogen in the dark and in the light
Keywords
biohydrogen, cyanobacteria, heterocystic cyanobacterial strains, gas chromatograph, биосутек, цианобактерия, биоводород
Kazakhstan
0/0 Free
periodical press (Magazines)
TURYSBEKOVA G.
Turysbekova, G. Small and medium-sized businesses are a decision factor in the innovative development of the economy [Text] / G. Turysbekova, Zh. Baibussinova // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Аграрлық ғылымдар сериясы. - 2020. - № 2 (56). - P. 21-26. - Bibliogr.: p. 26 ISSN 2224-526X.
UDC:
332.02
Subject headings
- Economic planning
Annotation
The article reflects the state policy of supporting small and medium sized businesses, which is a systematic direction of the state's socio-economic policy and is based on the principle of creating conditions for the development of small and medium-sized businesses, in those areas of activity that give the maximum socio-economic effect
Keywords
small businesses, medium-sized businesses, economic development, economic programs, economic regulation, шағын және орта бизнес, малый и средний бизнес
Kazakhstan
0/0 Free
periodical press (Magazines)
BEYSEMBETOV I. K.
Beysembetov, I. K. SmartTran software for transportation of oil JSC Kaztransoil [Text] / I. K. Beysembetov, T. T. Bekibayev , U. K. Zhapbasbayev [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 2 (440). - P. 6-13. - Bibliogr.: p. 12-13 ISSN 2224-5278.
UDC:
532.542:519.6
Subject headings
- The movement of liquids in pipelines, in closed systems. Computational mathematics. Numerical analysis
Annotation
The paper describes the main functionalities of the Smarttrak software which was developed by the authors
Keywords
main oil pipeline, oil transportation, oil transportation, SmartTran, software, мұнай тасымалдау, магистральды мұнай құбыры, магистральный нефтепровод, транспортировка нефти
Kazakhstan
0/0 Free
periodical press (Magazines)
BIGARAEV А. B.
Bigaraev, А. B. State of study, geological structure and oil-and-gas-bearing capacity of the North Kazakhstan sedimentary basin [Text] / А. B. Bigaraev, E. S. Mussina // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 2 (440). - P. 40-47. - Bibliogr.: p. 47 ISSN 2224-5278.
UDC:
553.98
Subject headings
- Hydrocarbon deposits. Oil and gas potential
Annotation
The current paper reflects on the state of study and features of the geological structure and tectonics of the North-Kazakhstan sedimentary basin, basing on generalization and analysis of all available geological and geophysical materials, and considers the oil and gas content and the problem of further studies of the basin
Keywords
sedimentary basin, rift structure, Jurassic deposits, quasiplatform complex, мұнай-газ перспективасы, перспективы нефтегазоносности
Kazakhstan
0/0 Free
periodical press (Magazines)
SUDAKOV A.
Sudakov, A. Substantiation of thermomechanical technology parametres of absorbing levels isolation of the boreholes [Text] / A. Sudakov, A. Dreus , B. Ratov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 2 (440). - P. 63-71. - Bibliogr.: p. 71 ISSN 2224-5278.
UDC:
622.24
Subject headings
- Drilling of boreholes. Drilling technique and technology
Annotation
The aim of the work is to improve the thermomechanical absorption insulation technology horizons of drilling wells by the established regularities of change and the substantiation of its regime parameters from the composition and physical-mechanical properties strengthen thermoplastic composite material
Keywords
drilling of boreholes, isolation, absorbing level, melting, backfill materials, ұңғымаларды бұрғылау, бурение скважин
Kazakhstan
0/0 Free
periodical press (Magazines)
TASKIN A.
Taskin, A. Source identification problems for the neutron transport equations [Text] / A. Taskin // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 137-149. - Bibliogr.: p. 147-149 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations
Annotation
In this study, the time-dependent source identification problem for the two-dimensional neutron transport equation was studied
Keywords
identification problem, neutron transport equation, difference scheme, differential equation, stability inequality
Kazakhstan
0/0 Free
periodical press (Magazines)
VALIYEV A. A.
Valiyev, A. A. Spectrum and resolvent of multi-channel systems with internal energies and common boundary conditions [Text] / A. A. Valiyev, M. B. Valiyev , E. H. Huseynov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2025. - № 3 (115). - P. 150-157. - Bibliogr.: p. 157 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations
Annotation
In the article the spectrum and resolvent of the so-called multichannel systems with nonzero internal energies were investigated
Keywords
eigenvalues, edge problem, Wronskian, transformation operator, asymptotics, continuous spectrum, resolvent, multi-channel systems, internal energy, quantum physics
Kazakhstan
0/0 Free
GAVRILOVA N. N.
SELECTION OF A NUTRIENT MEDIUM FOR GROWING BACTERIA WHICH ARE PART OF AN ENVIRONMENTALLY FRIENDLY VETERINARY PROBIOTIC PREPARATION
periodical press (Magazines)
0/0 Free
ALIYEV F. R.
SYNTHESIS AND STUDY OF A NEW MIXED-LAYERED COMPOUND GEBI3 TE4 BELONGING TO THE NBI2–MGEBI2 TE4 HOMOLOGOUS SERIES
periodical press (Magazines)
0/0 Free
NURMAGANBETOV ZH. S.
SYNTHESIS AND STRUCTURE OF 4-SUBSTITUTED (1S,9AR)-1-[(1,2,3-TRIAZOL-1-YL)METHYL]OCTAHYDRO-1H-QUINOLYSINES OF LUPININE
periodical press (Magazines)
0/0 Free
ZAYADAN B. K.
STUDY OF PROMISING HETEROCYSTIC CYANOBACTERIAL STRAINS FOR BIOHYDROGEN PRODUCTION
periodical press (Magazines)
0/0 Free
TURYSBEKOVA G.
SMALL AND MEDIUM-SIZED BUSINESSES ARE A DECISION FACTOR IN THE INNOVATIVE DEVELOPMENT OF THE ECONOMY
periodical press (Magazines)
0/0 Free
BEYSEMBETOV I. K.
SMARTTRAN SOFTWARE FOR TRANSPORTATION OF OIL JSC KAZTRANSOIL
periodical press (Magazines)
0/0 Free
BIGARAEV А. B.
STATE OF STUDY, GEOLOGICAL STRUCTURE AND OIL-AND-GAS-BEARING CAPACITY OF THE NORTH KAZAKHSTAN SEDIMENTARY BASIN
periodical press (Magazines)
0/0 Free
SUDAKOV A.
SUBSTANTIATION OF THERMOMECHANICAL TECHNOLOGY PARAMETRES OF ABSORBING LEVELS ISOLATION OF THE BOREHOLES
periodical press (Magazines)
0/0 Free
TASKIN A.
SOURCE IDENTIFICATION PROBLEMS FOR THE NEUTRON TRANSPORT EQUATIONS
periodical press (Magazines)
0/0 Free
VALIYEV A. A.
SPECTRUM AND RESOLVENT OF MULTI-CHANNEL SYSTEMS WITH INTERNAL ENERGIES AND COMMON BOUNDARY CONDITIONS
periodical press (Magazines)
0/0 Free